/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2020 UniPro <ugene@unipro.ru>
 * http://ugene.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#ifndef _U2_DNA_ALPHABET_H_
#define _U2_DNA_ALPHABET_H_

#include <QBitArray>

#include <U2Core/U2Region.h>
#include <U2Core/global.h>
namespace U2 {

class U2CORE_EXPORT BaseDNAAlphabetIds : public QObject {
public:
    // functions, because are used in static variable initialization: Text2SequenceWorker.cpp
    static const QString RAW();
    static const QString NUCL_DNA_DEFAULT();
    static const QString NUCL_DNA_EXTENDED();
    static const QString NUCL_RNA_DEFAULT();
    static const QString NUCL_RNA_EXTENDED();
    static const QString AMINO_DEFAULT();
    static const QString AMINO_EXTENDED();
};

class U2CORE_EXPORT DNAAlphabet {
public:
    DNAAlphabet(const QString &id, const QString &name, DNAAlphabetType t, const QBitArray &map, Qt::CaseSensitivity caseMode, char defSym);

    const QBitArray &getMap() const {
        return map;
    }

    const QString &getName() const {
        return name;
    }

    const QString &getId() const {
        return id;
    }

    bool contains(char c) const {
        return map.at(c);
    }

    bool containsAll(const char *str, int len) const;

    DNAAlphabetType getType() const {
        return type;
    }

    bool isCaseSensitive() const {
        return caseMode == Qt::CaseSensitive;
    }

    char getDefaultSymbol() const {
        return defSym;
    }

    bool isDefault() const {
        return id.contains("DEFAULT");
    }

    bool isExtended() const {
        return id.contains("EXTENDED");
    }

    bool isRaw() const {
        return type == DNAAlphabet_RAW;
    }

    bool isNucleic() const {
        return type == DNAAlphabet_NUCL;
    }

    bool isAmino() const {
        return type == DNAAlphabet_AMINO;
    }

    bool isDNA() const {
        return id.contains("DNA");
    }

    bool isRNA() const {
        return id.contains("RNA");
    }

    // returns sorted array of all chars used in alphabet
    // forceBothCases == true : even case-insensitive alphabet will return both cases
    // forceBothCases == false: case-sensitivity in result depends on alphabets case-sensitivity
    QByteArray getAlphabetChars(bool forceBothCases = false) const;

    int getNumAlphabetChars() const {
        return numChars;
    }

private:
    QString id;
    QString name;
    DNAAlphabetType type;
    QBitArray map;
    Qt::CaseSensitivity caseMode;
    char defSym;
    int numChars;
};

class U2CORE_EXPORT DNAAlphabetRegistry : public QObject {
public:
    virtual bool registerAlphabet(const DNAAlphabet *a) = 0;

    virtual void unregisterAlphabet(const DNAAlphabet *a) = 0;

    virtual const DNAAlphabet *findById(const QString &id) const = 0;

    virtual QList<const DNAAlphabet *> getRegisteredAlphabets() const = 0;
};

}    // namespace U2

#endif
